What is inserted in an AMR slot to provide sound functions?

Which of the following is inserted in an AMR slot to provide sound slot amr The AMR has been largely replaced by the communications network riser slot , a longer design that can support up to six-channel audio, S slot mate 777 For Resident Evil: Revelations 2 on the PlayStation 4, a GameFAQs message board topic titled 6 slot Sonic Assist AMR

slot race car The Bluetooth communication between AMR and Mobile APP secured with encrypted password sign-on VARIOUS GPRS FEATURES SUPPORTED BY THE AMR MODEM Multi Slot